Matplot, how terminate a python script with a second script











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I have a python script that runs matplotlib to plot a figure on the screen (with plt.show). I need to launch this script every hour in order to update the pie with last values collected. As matplot is blocking with the previous pie drawn on the screen, I can not draw a new pie with new values.
I need to close automatically the previous plot but only as soon as the script is run again (via cronotab). I tried with a different script to be launched before the re-launch of the plotting script and with plt.close(‘all’) but it doesn’t work.
Any suggestion?
Thanks










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  • Would it be an option to use a FuncAnimation and never close the window?
    – ImportanceOfBeingErnest
    Nov 13 at 14:54










  • I checked FuncAnimation but as per what I understood it takes some resources and I must keep the script always running, that’s not what I want to.
    – user3072083
    Nov 14 at 6:02










  • I don't quite see the difference between stopping the script and restarting it in the very moment or just keeping it running throughout. The latter might even be less resource hungry.
    – ImportanceOfBeingErnest
    Nov 14 at 9:15










  • You’re right, I’ll try animation or even creating a loop with several minutes of interval for my purpose to get update each 60’.
    – user3072083
    Nov 14 at 14:16















up vote
0
down vote

favorite












I have a python script that runs matplotlib to plot a figure on the screen (with plt.show). I need to launch this script every hour in order to update the pie with last values collected. As matplot is blocking with the previous pie drawn on the screen, I can not draw a new pie with new values.
I need to close automatically the previous plot but only as soon as the script is run again (via cronotab). I tried with a different script to be launched before the re-launch of the plotting script and with plt.close(‘all’) but it doesn’t work.
Any suggestion?
Thanks










share|improve this question






















  • Would it be an option to use a FuncAnimation and never close the window?
    – ImportanceOfBeingErnest
    Nov 13 at 14:54










  • I checked FuncAnimation but as per what I understood it takes some resources and I must keep the script always running, that’s not what I want to.
    – user3072083
    Nov 14 at 6:02










  • I don't quite see the difference between stopping the script and restarting it in the very moment or just keeping it running throughout. The latter might even be less resource hungry.
    – ImportanceOfBeingErnest
    Nov 14 at 9:15










  • You’re right, I’ll try animation or even creating a loop with several minutes of interval for my purpose to get update each 60’.
    – user3072083
    Nov 14 at 14:16













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I have a python script that runs matplotlib to plot a figure on the screen (with plt.show). I need to launch this script every hour in order to update the pie with last values collected. As matplot is blocking with the previous pie drawn on the screen, I can not draw a new pie with new values.
I need to close automatically the previous plot but only as soon as the script is run again (via cronotab). I tried with a different script to be launched before the re-launch of the plotting script and with plt.close(‘all’) but it doesn’t work.
Any suggestion?
Thanks










share|improve this question













I have a python script that runs matplotlib to plot a figure on the screen (with plt.show). I need to launch this script every hour in order to update the pie with last values collected. As matplot is blocking with the previous pie drawn on the screen, I can not draw a new pie with new values.
I need to close automatically the previous plot but only as soon as the script is run again (via cronotab). I tried with a different script to be launched before the re-launch of the plotting script and with plt.close(‘all’) but it doesn’t work.
Any suggestion?
Thanks







python matplotlib






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share|improve this question










asked Nov 13 at 7:08









user3072083

30110




30110












  • Would it be an option to use a FuncAnimation and never close the window?
    – ImportanceOfBeingErnest
    Nov 13 at 14:54










  • I checked FuncAnimation but as per what I understood it takes some resources and I must keep the script always running, that’s not what I want to.
    – user3072083
    Nov 14 at 6:02










  • I don't quite see the difference between stopping the script and restarting it in the very moment or just keeping it running throughout. The latter might even be less resource hungry.
    – ImportanceOfBeingErnest
    Nov 14 at 9:15










  • You’re right, I’ll try animation or even creating a loop with several minutes of interval for my purpose to get update each 60’.
    – user3072083
    Nov 14 at 14:16


















  • Would it be an option to use a FuncAnimation and never close the window?
    – ImportanceOfBeingErnest
    Nov 13 at 14:54










  • I checked FuncAnimation but as per what I understood it takes some resources and I must keep the script always running, that’s not what I want to.
    – user3072083
    Nov 14 at 6:02










  • I don't quite see the difference between stopping the script and restarting it in the very moment or just keeping it running throughout. The latter might even be less resource hungry.
    – ImportanceOfBeingErnest
    Nov 14 at 9:15










  • You’re right, I’ll try animation or even creating a loop with several minutes of interval for my purpose to get update each 60’.
    – user3072083
    Nov 14 at 14:16
















Would it be an option to use a FuncAnimation and never close the window?
– ImportanceOfBeingErnest
Nov 13 at 14:54




Would it be an option to use a FuncAnimation and never close the window?
– ImportanceOfBeingErnest
Nov 13 at 14:54












I checked FuncAnimation but as per what I understood it takes some resources and I must keep the script always running, that’s not what I want to.
– user3072083
Nov 14 at 6:02




I checked FuncAnimation but as per what I understood it takes some resources and I must keep the script always running, that’s not what I want to.
– user3072083
Nov 14 at 6:02












I don't quite see the difference between stopping the script and restarting it in the very moment or just keeping it running throughout. The latter might even be less resource hungry.
– ImportanceOfBeingErnest
Nov 14 at 9:15




I don't quite see the difference between stopping the script and restarting it in the very moment or just keeping it running throughout. The latter might even be less resource hungry.
– ImportanceOfBeingErnest
Nov 14 at 9:15












You’re right, I’ll try animation or even creating a loop with several minutes of interval for my purpose to get update each 60’.
– user3072083
Nov 14 at 14:16




You’re right, I’ll try animation or even creating a loop with several minutes of interval for my purpose to get update each 60’.
– user3072083
Nov 14 at 14:16












1 Answer
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I found a solution valid for me. I put the plotting in a while cicle and I put, at the end:



plt.show(block=False)  
time.sleep(3600)
plt.close('all')


now it work as expected. The pie is updating every hour, redrawing itself with new values. I know that block=False is deprecated but I tried other solution without success (like plt.ion()).






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    up vote
    0
    down vote













    I found a solution valid for me. I put the plotting in a while cicle and I put, at the end:



    plt.show(block=False)  
    time.sleep(3600)
    plt.close('all')


    now it work as expected. The pie is updating every hour, redrawing itself with new values. I know that block=False is deprecated but I tried other solution without success (like plt.ion()).






    share|improve this answer

























      up vote
      0
      down vote













      I found a solution valid for me. I put the plotting in a while cicle and I put, at the end:



      plt.show(block=False)  
      time.sleep(3600)
      plt.close('all')


      now it work as expected. The pie is updating every hour, redrawing itself with new values. I know that block=False is deprecated but I tried other solution without success (like plt.ion()).






      share|improve this answer























        up vote
        0
        down vote










        up vote
        0
        down vote









        I found a solution valid for me. I put the plotting in a while cicle and I put, at the end:



        plt.show(block=False)  
        time.sleep(3600)
        plt.close('all')


        now it work as expected. The pie is updating every hour, redrawing itself with new values. I know that block=False is deprecated but I tried other solution without success (like plt.ion()).






        share|improve this answer












        I found a solution valid for me. I put the plotting in a while cicle and I put, at the end:



        plt.show(block=False)  
        time.sleep(3600)
        plt.close('all')


        now it work as expected. The pie is updating every hour, redrawing itself with new values. I know that block=False is deprecated but I tried other solution without success (like plt.ion()).







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 15 at 20:56









        user3072083

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